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877 lines
26 KiB
877 lines
26 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Netburst Performance Events (P4, old Xeon) |
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*/ |
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#ifndef PERF_EVENT_P4_H |
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#define PERF_EVENT_P4_H |
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#include <linux/cpu.h> |
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#include <linux/bitops.h> |
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/* |
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* NetBurst has performance MSRs shared between |
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* threads if HT is turned on, ie for both logical |
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* processors (mem: in turn in Atom with HT support |
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* perf-MSRs are not shared and every thread has its |
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* own perf-MSRs set) |
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*/ |
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#define ARCH_P4_TOTAL_ESCR (46) |
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#define ARCH_P4_RESERVED_ESCR (2) /* IQ_ESCR(0,1) not always present */ |
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#define ARCH_P4_MAX_ESCR (ARCH_P4_TOTAL_ESCR - ARCH_P4_RESERVED_ESCR) |
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#define ARCH_P4_MAX_CCCR (18) |
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#define ARCH_P4_CNTRVAL_BITS (40) |
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#define ARCH_P4_CNTRVAL_MASK ((1ULL << ARCH_P4_CNTRVAL_BITS) - 1) |
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#define ARCH_P4_UNFLAGGED_BIT ((1ULL) << (ARCH_P4_CNTRVAL_BITS - 1)) |
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#define P4_ESCR_EVENT_MASK 0x7e000000ULL |
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#define P4_ESCR_EVENT_SHIFT 25 |
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#define P4_ESCR_EVENTMASK_MASK 0x01fffe00ULL |
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#define P4_ESCR_EVENTMASK_SHIFT 9 |
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#define P4_ESCR_TAG_MASK 0x000001e0ULL |
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#define P4_ESCR_TAG_SHIFT 5 |
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#define P4_ESCR_TAG_ENABLE 0x00000010ULL |
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#define P4_ESCR_T0_OS 0x00000008ULL |
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#define P4_ESCR_T0_USR 0x00000004ULL |
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#define P4_ESCR_T1_OS 0x00000002ULL |
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#define P4_ESCR_T1_USR 0x00000001ULL |
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#define P4_ESCR_EVENT(v) ((v) << P4_ESCR_EVENT_SHIFT) |
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#define P4_ESCR_EMASK(v) ((v) << P4_ESCR_EVENTMASK_SHIFT) |
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#define P4_ESCR_TAG(v) ((v) << P4_ESCR_TAG_SHIFT) |
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#define P4_CCCR_OVF 0x80000000ULL |
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#define P4_CCCR_CASCADE 0x40000000ULL |
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#define P4_CCCR_OVF_PMI_T0 0x04000000ULL |
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#define P4_CCCR_OVF_PMI_T1 0x08000000ULL |
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#define P4_CCCR_FORCE_OVF 0x02000000ULL |
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#define P4_CCCR_EDGE 0x01000000ULL |
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#define P4_CCCR_THRESHOLD_MASK 0x00f00000ULL |
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#define P4_CCCR_THRESHOLD_SHIFT 20 |
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#define P4_CCCR_COMPLEMENT 0x00080000ULL |
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#define P4_CCCR_COMPARE 0x00040000ULL |
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#define P4_CCCR_ESCR_SELECT_MASK 0x0000e000ULL |
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#define P4_CCCR_ESCR_SELECT_SHIFT 13 |
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#define P4_CCCR_ENABLE 0x00001000ULL |
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#define P4_CCCR_THREAD_SINGLE 0x00010000ULL |
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#define P4_CCCR_THREAD_BOTH 0x00020000ULL |
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#define P4_CCCR_THREAD_ANY 0x00030000ULL |
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#define P4_CCCR_RESERVED 0x00000fffULL |
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#define P4_CCCR_THRESHOLD(v) ((v) << P4_CCCR_THRESHOLD_SHIFT) |
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#define P4_CCCR_ESEL(v) ((v) << P4_CCCR_ESCR_SELECT_SHIFT) |
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#define P4_GEN_ESCR_EMASK(class, name, bit) \ |
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class##__##name = ((1ULL << bit) << P4_ESCR_EVENTMASK_SHIFT) |
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#define P4_ESCR_EMASK_BIT(class, name) class##__##name |
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/* |
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* config field is 64bit width and consists of |
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* HT << 63 | ESCR << 32 | CCCR |
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* where HT is HyperThreading bit (since ESCR |
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* has it reserved we may use it for own purpose) |
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* |
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* note that this is NOT the addresses of respective |
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* ESCR and CCCR but rather an only packed value should |
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* be unpacked and written to a proper addresses |
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* |
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* the base idea is to pack as much info as possible |
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*/ |
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#define p4_config_pack_escr(v) (((u64)(v)) << 32) |
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#define p4_config_pack_cccr(v) (((u64)(v)) & 0xffffffffULL) |
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#define p4_config_unpack_escr(v) (((u64)(v)) >> 32) |
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#define p4_config_unpack_cccr(v) (((u64)(v)) & 0xffffffffULL) |
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#define p4_config_unpack_emask(v) \ |
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({ \ |
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u32 t = p4_config_unpack_escr((v)); \ |
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t = t & P4_ESCR_EVENTMASK_MASK; \ |
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t = t >> P4_ESCR_EVENTMASK_SHIFT; \ |
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t; \ |
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}) |
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#define p4_config_unpack_event(v) \ |
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({ \ |
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u32 t = p4_config_unpack_escr((v)); \ |
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t = t & P4_ESCR_EVENT_MASK; \ |
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t = t >> P4_ESCR_EVENT_SHIFT; \ |
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t; \ |
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}) |
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#define P4_CONFIG_HT_SHIFT 63 |
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#define P4_CONFIG_HT (1ULL << P4_CONFIG_HT_SHIFT) |
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/* |
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* If an event has alias it should be marked |
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* with a special bit. (Don't forget to check |
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* P4_PEBS_CONFIG_MASK and related bits on |
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* modification.) |
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*/ |
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#define P4_CONFIG_ALIASABLE (1ULL << 9) |
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/* |
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* The bits we allow to pass for RAW events |
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*/ |
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#define P4_CONFIG_MASK_ESCR \ |
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P4_ESCR_EVENT_MASK | \ |
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P4_ESCR_EVENTMASK_MASK | \ |
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P4_ESCR_TAG_MASK | \ |
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P4_ESCR_TAG_ENABLE |
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#define P4_CONFIG_MASK_CCCR \ |
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P4_CCCR_EDGE | \ |
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P4_CCCR_THRESHOLD_MASK | \ |
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P4_CCCR_COMPLEMENT | \ |
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P4_CCCR_COMPARE | \ |
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P4_CCCR_THREAD_ANY | \ |
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P4_CCCR_RESERVED |
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/* some dangerous bits are reserved for kernel internals */ |
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#define P4_CONFIG_MASK \ |
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(p4_config_pack_escr(P4_CONFIG_MASK_ESCR)) | \ |
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(p4_config_pack_cccr(P4_CONFIG_MASK_CCCR)) |
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/* |
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* In case of event aliasing we need to preserve some |
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* caller bits, otherwise the mapping won't be complete. |
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*/ |
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#define P4_CONFIG_EVENT_ALIAS_MASK \ |
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(p4_config_pack_escr(P4_CONFIG_MASK_ESCR) | \ |
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p4_config_pack_cccr(P4_CCCR_EDGE | \ |
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P4_CCCR_THRESHOLD_MASK | \ |
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P4_CCCR_COMPLEMENT | \ |
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P4_CCCR_COMPARE)) |
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#define P4_CONFIG_EVENT_ALIAS_IMMUTABLE_BITS \ |
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((P4_CONFIG_HT) | \ |
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p4_config_pack_escr(P4_ESCR_T0_OS | \ |
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P4_ESCR_T0_USR | \ |
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P4_ESCR_T1_OS | \ |
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P4_ESCR_T1_USR) | \ |
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p4_config_pack_cccr(P4_CCCR_OVF | \ |
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P4_CCCR_CASCADE | \ |
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P4_CCCR_FORCE_OVF | \ |
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P4_CCCR_THREAD_ANY | \ |
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P4_CCCR_OVF_PMI_T0 | \ |
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P4_CCCR_OVF_PMI_T1 | \ |
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P4_CONFIG_ALIASABLE)) |
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static inline bool p4_is_event_cascaded(u64 config) |
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{ |
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u32 cccr = p4_config_unpack_cccr(config); |
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return !!(cccr & P4_CCCR_CASCADE); |
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} |
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static inline int p4_ht_config_thread(u64 config) |
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{ |
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return !!(config & P4_CONFIG_HT); |
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} |
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static inline u64 p4_set_ht_bit(u64 config) |
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{ |
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return config | P4_CONFIG_HT; |
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} |
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static inline u64 p4_clear_ht_bit(u64 config) |
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{ |
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return config & ~P4_CONFIG_HT; |
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} |
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static inline int p4_ht_active(void) |
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{ |
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#ifdef CONFIG_SMP |
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return smp_num_siblings > 1; |
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#endif |
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return 0; |
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} |
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static inline int p4_ht_thread(int cpu) |
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{ |
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#ifdef CONFIG_SMP |
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if (smp_num_siblings == 2) |
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return cpu != cpumask_first(this_cpu_cpumask_var_ptr(cpu_sibling_map)); |
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#endif |
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return 0; |
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} |
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static inline int p4_should_swap_ts(u64 config, int cpu) |
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{ |
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return p4_ht_config_thread(config) ^ p4_ht_thread(cpu); |
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} |
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static inline u32 p4_default_cccr_conf(int cpu) |
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{ |
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/* |
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* Note that P4_CCCR_THREAD_ANY is "required" on |
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* non-HT machines (on HT machines we count TS events |
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* regardless the state of second logical processor |
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*/ |
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u32 cccr = P4_CCCR_THREAD_ANY; |
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if (!p4_ht_thread(cpu)) |
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cccr |= P4_CCCR_OVF_PMI_T0; |
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else |
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cccr |= P4_CCCR_OVF_PMI_T1; |
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return cccr; |
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} |
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static inline u32 p4_default_escr_conf(int cpu, int exclude_os, int exclude_usr) |
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{ |
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u32 escr = 0; |
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if (!p4_ht_thread(cpu)) { |
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if (!exclude_os) |
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escr |= P4_ESCR_T0_OS; |
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if (!exclude_usr) |
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escr |= P4_ESCR_T0_USR; |
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} else { |
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if (!exclude_os) |
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escr |= P4_ESCR_T1_OS; |
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if (!exclude_usr) |
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escr |= P4_ESCR_T1_USR; |
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} |
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return escr; |
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} |
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/* |
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* This are the events which should be used in "Event Select" |
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* field of ESCR register, they are like unique keys which allow |
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* the kernel to determinate which CCCR and COUNTER should be |
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* used to track an event |
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*/ |
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enum P4_EVENTS { |
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P4_EVENT_TC_DELIVER_MODE, |
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P4_EVENT_BPU_FETCH_REQUEST, |
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P4_EVENT_ITLB_REFERENCE, |
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P4_EVENT_MEMORY_CANCEL, |
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P4_EVENT_MEMORY_COMPLETE, |
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P4_EVENT_LOAD_PORT_REPLAY, |
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P4_EVENT_STORE_PORT_REPLAY, |
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P4_EVENT_MOB_LOAD_REPLAY, |
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P4_EVENT_PAGE_WALK_TYPE, |
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P4_EVENT_BSQ_CACHE_REFERENCE, |
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P4_EVENT_IOQ_ALLOCATION, |
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P4_EVENT_IOQ_ACTIVE_ENTRIES, |
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P4_EVENT_FSB_DATA_ACTIVITY, |
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P4_EVENT_BSQ_ALLOCATION, |
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P4_EVENT_BSQ_ACTIVE_ENTRIES, |
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P4_EVENT_SSE_INPUT_ASSIST, |
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P4_EVENT_PACKED_SP_UOP, |
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P4_EVENT_PACKED_DP_UOP, |
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P4_EVENT_SCALAR_SP_UOP, |
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P4_EVENT_SCALAR_DP_UOP, |
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P4_EVENT_64BIT_MMX_UOP, |
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P4_EVENT_128BIT_MMX_UOP, |
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P4_EVENT_X87_FP_UOP, |
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P4_EVENT_TC_MISC, |
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P4_EVENT_GLOBAL_POWER_EVENTS, |
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P4_EVENT_TC_MS_XFER, |
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P4_EVENT_UOP_QUEUE_WRITES, |
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P4_EVENT_RETIRED_MISPRED_BRANCH_TYPE, |
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P4_EVENT_RETIRED_BRANCH_TYPE, |
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P4_EVENT_RESOURCE_STALL, |
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P4_EVENT_WC_BUFFER, |
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P4_EVENT_B2B_CYCLES, |
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P4_EVENT_BNR, |
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P4_EVENT_SNOOP, |
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P4_EVENT_RESPONSE, |
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P4_EVENT_FRONT_END_EVENT, |
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P4_EVENT_EXECUTION_EVENT, |
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P4_EVENT_REPLAY_EVENT, |
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P4_EVENT_INSTR_RETIRED, |
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P4_EVENT_UOPS_RETIRED, |
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P4_EVENT_UOP_TYPE, |
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P4_EVENT_BRANCH_RETIRED, |
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P4_EVENT_MISPRED_BRANCH_RETIRED, |
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P4_EVENT_X87_ASSIST, |
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P4_EVENT_MACHINE_CLEAR, |
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P4_EVENT_INSTR_COMPLETED, |
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}; |
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#define P4_OPCODE(event) event##_OPCODE |
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#define P4_OPCODE_ESEL(opcode) ((opcode & 0x00ff) >> 0) |
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#define P4_OPCODE_EVNT(opcode) ((opcode & 0xff00) >> 8) |
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#define P4_OPCODE_PACK(event, sel) (((event) << 8) | sel) |
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/* |
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* Comments below the event represent ESCR restriction |
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* for this event and counter index per ESCR |
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* |
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* MSR_P4_IQ_ESCR0 and MSR_P4_IQ_ESCR1 are available only on early |
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* processor builds (family 0FH, models 01H-02H). These MSRs |
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* are not available on later versions, so that we don't use |
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* them completely |
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* |
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* Also note that CCCR1 do not have P4_CCCR_ENABLE bit properly |
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* working so that we should not use this CCCR and respective |
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* counter as result |
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*/ |
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enum P4_EVENT_OPCODES { |
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P4_OPCODE(P4_EVENT_TC_DELIVER_MODE) = P4_OPCODE_PACK(0x01, 0x01), |
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/* |
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* MSR_P4_TC_ESCR0: 4, 5 |
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* MSR_P4_TC_ESCR1: 6, 7 |
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*/ |
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P4_OPCODE(P4_EVENT_BPU_FETCH_REQUEST) = P4_OPCODE_PACK(0x03, 0x00), |
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/* |
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* MSR_P4_BPU_ESCR0: 0, 1 |
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* MSR_P4_BPU_ESCR1: 2, 3 |
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*/ |
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P4_OPCODE(P4_EVENT_ITLB_REFERENCE) = P4_OPCODE_PACK(0x18, 0x03), |
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/* |
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* MSR_P4_ITLB_ESCR0: 0, 1 |
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* MSR_P4_ITLB_ESCR1: 2, 3 |
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*/ |
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P4_OPCODE(P4_EVENT_MEMORY_CANCEL) = P4_OPCODE_PACK(0x02, 0x05), |
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/* |
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* MSR_P4_DAC_ESCR0: 8, 9 |
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* MSR_P4_DAC_ESCR1: 10, 11 |
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*/ |
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P4_OPCODE(P4_EVENT_MEMORY_COMPLETE) = P4_OPCODE_PACK(0x08, 0x02), |
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/* |
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* MSR_P4_SAAT_ESCR0: 8, 9 |
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* MSR_P4_SAAT_ESCR1: 10, 11 |
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*/ |
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P4_OPCODE(P4_EVENT_LOAD_PORT_REPLAY) = P4_OPCODE_PACK(0x04, 0x02), |
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/* |
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* MSR_P4_SAAT_ESCR0: 8, 9 |
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* MSR_P4_SAAT_ESCR1: 10, 11 |
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*/ |
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P4_OPCODE(P4_EVENT_STORE_PORT_REPLAY) = P4_OPCODE_PACK(0x05, 0x02), |
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/* |
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* MSR_P4_SAAT_ESCR0: 8, 9 |
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* MSR_P4_SAAT_ESCR1: 10, 11 |
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*/ |
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P4_OPCODE(P4_EVENT_MOB_LOAD_REPLAY) = P4_OPCODE_PACK(0x03, 0x02), |
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/* |
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* MSR_P4_MOB_ESCR0: 0, 1 |
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* MSR_P4_MOB_ESCR1: 2, 3 |
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*/ |
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P4_OPCODE(P4_EVENT_PAGE_WALK_TYPE) = P4_OPCODE_PACK(0x01, 0x04), |
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/* |
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* MSR_P4_PMH_ESCR0: 0, 1 |
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* MSR_P4_PMH_ESCR1: 2, 3 |
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*/ |
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P4_OPCODE(P4_EVENT_BSQ_CACHE_REFERENCE) = P4_OPCODE_PACK(0x0c, 0x07), |
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/* |
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* MSR_P4_BSU_ESCR0: 0, 1 |
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* MSR_P4_BSU_ESCR1: 2, 3 |
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*/ |
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P4_OPCODE(P4_EVENT_IOQ_ALLOCATION) = P4_OPCODE_PACK(0x03, 0x06), |
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/* |
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* MSR_P4_FSB_ESCR0: 0, 1 |
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* MSR_P4_FSB_ESCR1: 2, 3 |
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*/ |
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P4_OPCODE(P4_EVENT_IOQ_ACTIVE_ENTRIES) = P4_OPCODE_PACK(0x1a, 0x06), |
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/* |
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* MSR_P4_FSB_ESCR1: 2, 3 |
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*/ |
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P4_OPCODE(P4_EVENT_FSB_DATA_ACTIVITY) = P4_OPCODE_PACK(0x17, 0x06), |
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/* |
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* MSR_P4_FSB_ESCR0: 0, 1 |
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* MSR_P4_FSB_ESCR1: 2, 3 |
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*/ |
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P4_OPCODE(P4_EVENT_BSQ_ALLOCATION) = P4_OPCODE_PACK(0x05, 0x07), |
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/* |
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* MSR_P4_BSU_ESCR0: 0, 1 |
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*/ |
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P4_OPCODE(P4_EVENT_BSQ_ACTIVE_ENTRIES) = P4_OPCODE_PACK(0x06, 0x07), |
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/* |
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* NOTE: no ESCR name in docs, it's guessed |
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* MSR_P4_BSU_ESCR1: 2, 3 |
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*/ |
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P4_OPCODE(P4_EVENT_SSE_INPUT_ASSIST) = P4_OPCODE_PACK(0x34, 0x01), |
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/* |
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* MSR_P4_FIRM_ESCR0: 8, 9 |
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* MSR_P4_FIRM_ESCR1: 10, 11 |
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*/ |
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P4_OPCODE(P4_EVENT_PACKED_SP_UOP) = P4_OPCODE_PACK(0x08, 0x01), |
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/* |
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* MSR_P4_FIRM_ESCR0: 8, 9 |
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* MSR_P4_FIRM_ESCR1: 10, 11 |
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*/ |
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P4_OPCODE(P4_EVENT_PACKED_DP_UOP) = P4_OPCODE_PACK(0x0c, 0x01), |
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/* |
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* MSR_P4_FIRM_ESCR0: 8, 9 |
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* MSR_P4_FIRM_ESCR1: 10, 11 |
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*/ |
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P4_OPCODE(P4_EVENT_SCALAR_SP_UOP) = P4_OPCODE_PACK(0x0a, 0x01), |
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/* |
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* MSR_P4_FIRM_ESCR0: 8, 9 |
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* MSR_P4_FIRM_ESCR1: 10, 11 |
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*/ |
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P4_OPCODE(P4_EVENT_SCALAR_DP_UOP) = P4_OPCODE_PACK(0x0e, 0x01), |
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/* |
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* MSR_P4_FIRM_ESCR0: 8, 9 |
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* MSR_P4_FIRM_ESCR1: 10, 11 |
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*/ |
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P4_OPCODE(P4_EVENT_64BIT_MMX_UOP) = P4_OPCODE_PACK(0x02, 0x01), |
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/* |
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* MSR_P4_FIRM_ESCR0: 8, 9 |
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* MSR_P4_FIRM_ESCR1: 10, 11 |
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*/ |
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P4_OPCODE(P4_EVENT_128BIT_MMX_UOP) = P4_OPCODE_PACK(0x1a, 0x01), |
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/* |
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* MSR_P4_FIRM_ESCR0: 8, 9 |
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* MSR_P4_FIRM_ESCR1: 10, 11 |
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*/ |
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P4_OPCODE(P4_EVENT_X87_FP_UOP) = P4_OPCODE_PACK(0x04, 0x01), |
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/* |
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* MSR_P4_FIRM_ESCR0: 8, 9 |
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* MSR_P4_FIRM_ESCR1: 10, 11 |
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*/ |
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P4_OPCODE(P4_EVENT_TC_MISC) = P4_OPCODE_PACK(0x06, 0x01), |
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/* |
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* MSR_P4_TC_ESCR0: 4, 5 |
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* MSR_P4_TC_ESCR1: 6, 7 |
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*/ |
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P4_OPCODE(P4_EVENT_GLOBAL_POWER_EVENTS) = P4_OPCODE_PACK(0x13, 0x06), |
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/* |
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* MSR_P4_FSB_ESCR0: 0, 1 |
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* MSR_P4_FSB_ESCR1: 2, 3 |
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*/ |
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P4_OPCODE(P4_EVENT_TC_MS_XFER) = P4_OPCODE_PACK(0x05, 0x00), |
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/* |
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* MSR_P4_MS_ESCR0: 4, 5 |
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* MSR_P4_MS_ESCR1: 6, 7 |
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*/ |
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P4_OPCODE(P4_EVENT_UOP_QUEUE_WRITES) = P4_OPCODE_PACK(0x09, 0x00), |
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/* |
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* MSR_P4_MS_ESCR0: 4, 5 |
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* MSR_P4_MS_ESCR1: 6, 7 |
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*/ |
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P4_OPCODE(P4_EVENT_RETIRED_MISPRED_BRANCH_TYPE) = P4_OPCODE_PACK(0x05, 0x02), |
|
/* |
|
* MSR_P4_TBPU_ESCR0: 4, 5 |
|
* MSR_P4_TBPU_ESCR1: 6, 7 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_RETIRED_BRANCH_TYPE) = P4_OPCODE_PACK(0x04, 0x02), |
|
/* |
|
* MSR_P4_TBPU_ESCR0: 4, 5 |
|
* MSR_P4_TBPU_ESCR1: 6, 7 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_RESOURCE_STALL) = P4_OPCODE_PACK(0x01, 0x01), |
|
/* |
|
* MSR_P4_ALF_ESCR0: 12, 13, 16 |
|
* MSR_P4_ALF_ESCR1: 14, 15, 17 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_WC_BUFFER) = P4_OPCODE_PACK(0x05, 0x05), |
|
/* |
|
* MSR_P4_DAC_ESCR0: 8, 9 |
|
* MSR_P4_DAC_ESCR1: 10, 11 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_B2B_CYCLES) = P4_OPCODE_PACK(0x16, 0x03), |
|
/* |
|
* MSR_P4_FSB_ESCR0: 0, 1 |
|
* MSR_P4_FSB_ESCR1: 2, 3 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_BNR) = P4_OPCODE_PACK(0x08, 0x03), |
|
/* |
|
* MSR_P4_FSB_ESCR0: 0, 1 |
|
* MSR_P4_FSB_ESCR1: 2, 3 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_SNOOP) = P4_OPCODE_PACK(0x06, 0x03), |
|
/* |
|
* MSR_P4_FSB_ESCR0: 0, 1 |
|
* MSR_P4_FSB_ESCR1: 2, 3 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_RESPONSE) = P4_OPCODE_PACK(0x04, 0x03), |
|
/* |
|
* MSR_P4_FSB_ESCR0: 0, 1 |
|
* MSR_P4_FSB_ESCR1: 2, 3 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_FRONT_END_EVENT) = P4_OPCODE_PACK(0x08, 0x05), |
|
/* |
|
* MSR_P4_CRU_ESCR2: 12, 13, 16 |
|
* MSR_P4_CRU_ESCR3: 14, 15, 17 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_EXECUTION_EVENT) = P4_OPCODE_PACK(0x0c, 0x05), |
|
/* |
|
* MSR_P4_CRU_ESCR2: 12, 13, 16 |
|
* MSR_P4_CRU_ESCR3: 14, 15, 17 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_REPLAY_EVENT) = P4_OPCODE_PACK(0x09, 0x05), |
|
/* |
|
* MSR_P4_CRU_ESCR2: 12, 13, 16 |
|
* MSR_P4_CRU_ESCR3: 14, 15, 17 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_INSTR_RETIRED) = P4_OPCODE_PACK(0x02, 0x04), |
|
/* |
|
* MSR_P4_CRU_ESCR0: 12, 13, 16 |
|
* MSR_P4_CRU_ESCR1: 14, 15, 17 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_UOPS_RETIRED) = P4_OPCODE_PACK(0x01, 0x04), |
|
/* |
|
* MSR_P4_CRU_ESCR0: 12, 13, 16 |
|
* MSR_P4_CRU_ESCR1: 14, 15, 17 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_UOP_TYPE) = P4_OPCODE_PACK(0x02, 0x02), |
|
/* |
|
* MSR_P4_RAT_ESCR0: 12, 13, 16 |
|
* MSR_P4_RAT_ESCR1: 14, 15, 17 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_BRANCH_RETIRED) = P4_OPCODE_PACK(0x06, 0x05), |
|
/* |
|
* MSR_P4_CRU_ESCR2: 12, 13, 16 |
|
* MSR_P4_CRU_ESCR3: 14, 15, 17 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_MISPRED_BRANCH_RETIRED) = P4_OPCODE_PACK(0x03, 0x04), |
|
/* |
|
* MSR_P4_CRU_ESCR0: 12, 13, 16 |
|
* MSR_P4_CRU_ESCR1: 14, 15, 17 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_X87_ASSIST) = P4_OPCODE_PACK(0x03, 0x05), |
|
/* |
|
* MSR_P4_CRU_ESCR2: 12, 13, 16 |
|
* MSR_P4_CRU_ESCR3: 14, 15, 17 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_MACHINE_CLEAR) = P4_OPCODE_PACK(0x02, 0x05), |
|
/* |
|
* MSR_P4_CRU_ESCR2: 12, 13, 16 |
|
* MSR_P4_CRU_ESCR3: 14, 15, 17 |
|
*/ |
|
|
|
P4_OPCODE(P4_EVENT_INSTR_COMPLETED) = P4_OPCODE_PACK(0x07, 0x04), |
|
/* |
|
* MSR_P4_CRU_ESCR0: 12, 13, 16 |
|
* MSR_P4_CRU_ESCR1: 14, 15, 17 |
|
*/ |
|
}; |
|
|
|
/* |
|
* a caller should use P4_ESCR_EMASK_NAME helper to |
|
* pick the EventMask needed, for example |
|
* |
|
* P4_ESCR_EMASK_BIT(P4_EVENT_TC_DELIVER_MODE, DD) |
|
*/ |
|
enum P4_ESCR_EMASKS { |
|
P4_GEN_ESCR_EMASK(P4_EVENT_TC_DELIVER_MODE, DD, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_TC_DELIVER_MODE, DB, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_TC_DELIVER_MODE, DI, 2), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_TC_DELIVER_MODE, BD, 3), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_TC_DELIVER_MODE, BB, 4), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_TC_DELIVER_MODE, BI, 5), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_TC_DELIVER_MODE, ID, 6), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_BPU_FETCH_REQUEST, TCMISS, 0), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_ITLB_REFERENCE, HIT, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_ITLB_REFERENCE, MISS, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_ITLB_REFERENCE, HIT_UK, 2), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_MEMORY_CANCEL, ST_RB_FULL, 2), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_MEMORY_CANCEL, 64K_CONF, 3), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_MEMORY_COMPLETE, LSC, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_MEMORY_COMPLETE, SSC, 1), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_LOAD_PORT_REPLAY, SPLIT_LD, 1), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_STORE_PORT_REPLAY, SPLIT_ST, 1), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_MOB_LOAD_REPLAY, NO_STA, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_MOB_LOAD_REPLAY, NO_STD, 3), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_MOB_LOAD_REPLAY, PARTIAL_DATA, 4), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_MOB_LOAD_REPLAY, UNALGN_ADDR, 5), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_PAGE_WALK_TYPE, DTMISS, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_PAGE_WALK_TYPE, ITMISS, 1), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_CACHE_REFERENCE, RD_2ndL_HITS, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_CACHE_REFERENCE, RD_2ndL_HITE, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_CACHE_REFERENCE, RD_2ndL_HITM, 2), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_CACHE_REFERENCE, RD_3rdL_HITS, 3), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_CACHE_REFERENCE, RD_3rdL_HITE, 4), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_CACHE_REFERENCE, RD_3rdL_HITM, 5), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_CACHE_REFERENCE, RD_2ndL_MISS, 8), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_CACHE_REFERENCE, RD_3rdL_MISS, 9), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_CACHE_REFERENCE, WR_2ndL_MISS, 10), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, DEFAULT, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, ALL_READ, 5), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, ALL_WRITE, 6), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, MEM_UC, 7), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, MEM_WC, 8), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, MEM_WT, 9), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, MEM_WP, 10), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, MEM_WB, 11), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, OWN, 13), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, OTHER, 14), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, PREFETCH, 15), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, DEFAULT, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, ALL_READ, 5), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, ALL_WRITE, 6), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, MEM_UC, 7), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, MEM_WC, 8), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, MEM_WT, 9), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, MEM_WP, 10), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, MEM_WB, 11), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, OWN, 13), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, OTHER, 14), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, PREFETCH, 15), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_FSB_DATA_ACTIVITY, DRDY_DRV, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_FSB_DATA_ACTIVITY, DRDY_OWN, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_FSB_DATA_ACTIVITY, DRDY_OTHER, 2), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_FSB_DATA_ACTIVITY, DBSY_DRV, 3), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_FSB_DATA_ACTIVITY, DBSY_OWN, 4), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_FSB_DATA_ACTIVITY, DBSY_OTHER, 5), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, REQ_TYPE0, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, REQ_TYPE1, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, REQ_LEN0, 2), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, REQ_LEN1, 3), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, REQ_IO_TYPE, 5), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, REQ_LOCK_TYPE, 6), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, REQ_CACHE_TYPE, 7), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, REQ_SPLIT_TYPE, 8), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, REQ_DEM_TYPE, 9), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, REQ_ORD_TYPE, 10), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, MEM_TYPE0, 11), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, MEM_TYPE1, 12), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ALLOCATION, MEM_TYPE2, 13), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, REQ_TYPE0, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, REQ_TYPE1, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, REQ_LEN0, 2), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, REQ_LEN1, 3), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, REQ_IO_TYPE, 5), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, REQ_LOCK_TYPE, 6), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, REQ_CACHE_TYPE, 7), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, REQ_SPLIT_TYPE, 8), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, REQ_DEM_TYPE, 9), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, REQ_ORD_TYPE, 10), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, MEM_TYPE0, 11), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, MEM_TYPE1, 12), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BSQ_ACTIVE_ENTRIES, MEM_TYPE2, 13), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_SSE_INPUT_ASSIST, ALL, 15), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_PACKED_SP_UOP, ALL, 15), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_PACKED_DP_UOP, ALL, 15), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_SCALAR_SP_UOP, ALL, 15), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_SCALAR_DP_UOP, ALL, 15), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_64BIT_MMX_UOP, ALL, 15), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_128BIT_MMX_UOP, ALL, 15), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_X87_FP_UOP, ALL, 15), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_TC_MISC, FLUSH, 4), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_GLOBAL_POWER_EVENTS, RUNNING, 0), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_TC_MS_XFER, CISC, 0), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_UOP_QUEUE_WRITES, FROM_TC_BUILD, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_UOP_QUEUE_WRITES, FROM_TC_DELIVER, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_UOP_QUEUE_WRITES, FROM_ROM, 2), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_RETIRED_MISPRED_BRANCH_TYPE, CONDITIONAL, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_RETIRED_MISPRED_BRANCH_TYPE, CALL, 2), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_RETIRED_MISPRED_BRANCH_TYPE, RETURN, 3), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_RETIRED_MISPRED_BRANCH_TYPE, INDIRECT, 4), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_RETIRED_BRANCH_TYPE, CONDITIONAL, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_RETIRED_BRANCH_TYPE, CALL, 2), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_RETIRED_BRANCH_TYPE, RETURN, 3), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_RETIRED_BRANCH_TYPE, INDIRECT, 4), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_RESOURCE_STALL, SBFULL, 5), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_WC_BUFFER, WCB_EVICTS, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_WC_BUFFER, WCB_FULL_EVICTS, 1), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_FRONT_END_EVENT, NBOGUS, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_FRONT_END_EVENT, BOGUS, 1), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_EXECUTION_EVENT, NBOGUS0, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_EXECUTION_EVENT, NBOGUS1, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_EXECUTION_EVENT, NBOGUS2, 2), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_EXECUTION_EVENT, NBOGUS3, 3), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_EXECUTION_EVENT, BOGUS0, 4), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_EXECUTION_EVENT, BOGUS1, 5), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_EXECUTION_EVENT, BOGUS2, 6), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_EXECUTION_EVENT, BOGUS3, 7), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_REPLAY_EVENT, NBOGUS, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_REPLAY_EVENT, BOGUS, 1), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_INSTR_RETIRED, NBOGUSNTAG, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_INSTR_RETIRED, NBOGUSTAG, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_INSTR_RETIRED, BOGUSNTAG, 2), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_INSTR_RETIRED, BOGUSTAG, 3), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_UOPS_RETIRED, NBOGUS, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_UOPS_RETIRED, BOGUS, 1), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_UOP_TYPE, TAGLOADS, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_UOP_TYPE, TAGSTORES, 2), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_BRANCH_RETIRED, MMNP, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BRANCH_RETIRED, MMNM, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BRANCH_RETIRED, MMTP, 2), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_BRANCH_RETIRED, MMTM, 3), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_MISPRED_BRANCH_RETIRED, NBOGUS, 0), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_X87_ASSIST, FPSU, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_X87_ASSIST, FPSO, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_X87_ASSIST, POAO, 2), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_X87_ASSIST, POAU, 3), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_X87_ASSIST, PREA, 4), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_MACHINE_CLEAR, CLEAR, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_MACHINE_CLEAR, MOCLEAR, 1), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_MACHINE_CLEAR, SMCLEAR, 2), |
|
|
|
P4_GEN_ESCR_EMASK(P4_EVENT_INSTR_COMPLETED, NBOGUS, 0), |
|
P4_GEN_ESCR_EMASK(P4_EVENT_INSTR_COMPLETED, BOGUS, 1), |
|
}; |
|
|
|
/* |
|
* Note we have UOP and PEBS bits reserved for now |
|
* just in case if we will need them once |
|
*/ |
|
#define P4_PEBS_CONFIG_ENABLE (1ULL << 7) |
|
#define P4_PEBS_CONFIG_UOP_TAG (1ULL << 8) |
|
#define P4_PEBS_CONFIG_METRIC_MASK 0x3FLL |
|
#define P4_PEBS_CONFIG_MASK 0xFFLL |
|
|
|
/* |
|
* mem: Only counters MSR_IQ_COUNTER4 (16) and |
|
* MSR_IQ_COUNTER5 (17) are allowed for PEBS sampling |
|
*/ |
|
#define P4_PEBS_ENABLE 0x02000000ULL |
|
#define P4_PEBS_ENABLE_UOP_TAG 0x01000000ULL |
|
|
|
#define p4_config_unpack_metric(v) (((u64)(v)) & P4_PEBS_CONFIG_METRIC_MASK) |
|
#define p4_config_unpack_pebs(v) (((u64)(v)) & P4_PEBS_CONFIG_MASK) |
|
|
|
#define p4_config_pebs_has(v, mask) (p4_config_unpack_pebs(v) & (mask)) |
|
|
|
enum P4_PEBS_METRIC { |
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P4_PEBS_METRIC__none, |
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P4_PEBS_METRIC__1stl_cache_load_miss_retired, |
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P4_PEBS_METRIC__2ndl_cache_load_miss_retired, |
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P4_PEBS_METRIC__dtlb_load_miss_retired, |
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P4_PEBS_METRIC__dtlb_store_miss_retired, |
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P4_PEBS_METRIC__dtlb_all_miss_retired, |
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P4_PEBS_METRIC__tagged_mispred_branch, |
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P4_PEBS_METRIC__mob_load_replay_retired, |
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P4_PEBS_METRIC__split_load_retired, |
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P4_PEBS_METRIC__split_store_retired, |
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P4_PEBS_METRIC__max |
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}; |
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/* |
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* Notes on internal configuration of ESCR+CCCR tuples |
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* |
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* Since P4 has quite the different architecture of |
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* performance registers in compare with "architectural" |
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* once and we have on 64 bits to keep configuration |
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* of performance event, the following trick is used. |
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* |
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* 1) Since both ESCR and CCCR registers have only low |
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* 32 bits valuable, we pack them into a single 64 bit |
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* configuration. Low 32 bits of such config correspond |
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* to low 32 bits of CCCR register and high 32 bits |
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* correspond to low 32 bits of ESCR register. |
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* |
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* 2) The meaning of every bit of such config field can |
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* be found in Intel SDM but it should be noted that |
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* we "borrow" some reserved bits for own usage and |
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* clean them or set to a proper value when we do |
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* a real write to hardware registers. |
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* |
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* 3) The format of bits of config is the following |
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* and should be either 0 or set to some predefined |
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* values: |
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* |
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* Low 32 bits |
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* ----------- |
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* 0-6: P4_PEBS_METRIC enum |
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* 7-11: reserved |
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* 12: reserved (Enable) |
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* 13-15: reserved (ESCR select) |
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* 16-17: Active Thread |
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* 18: Compare |
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* 19: Complement |
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* 20-23: Threshold |
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* 24: Edge |
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* 25: reserved (FORCE_OVF) |
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* 26: reserved (OVF_PMI_T0) |
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* 27: reserved (OVF_PMI_T1) |
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* 28-29: reserved |
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* 30: reserved (Cascade) |
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* 31: reserved (OVF) |
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* |
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* High 32 bits |
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* ------------ |
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* 0: reserved (T1_USR) |
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* 1: reserved (T1_OS) |
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* 2: reserved (T0_USR) |
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* 3: reserved (T0_OS) |
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* 4: Tag Enable |
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* 5-8: Tag Value |
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* 9-24: Event Mask (may use P4_ESCR_EMASK_BIT helper) |
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* 25-30: enum P4_EVENTS |
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* 31: reserved (HT thread) |
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*/ |
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#endif /* PERF_EVENT_P4_H */ |
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